National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

31°F

-1°C

Humidity 98%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 25 Dec 09:01 AM PST
Extended Forecast for

29 Miles NNW Mazama WA

  • Christmas Day

    Christmas Day: Snow, mainly after 1pm. High near 27. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Chance Snow
    then Snow

  • Tonight

    Tonight: Snow before 1am, then a chance of snow after 4am. Low around 21. Southwest wind 14 to 16 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Snow then
    Chance Snow

  • Friday

    Friday: Snow, mainly after 7am. Temperature rising to near 23 by 11am, then falling to around 16 during the remainder of the day. Southwest wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 23 °F⇓

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 1. Wind chill values as low as -14. West wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 1 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 9. Northeast wind 6 to 9 mph.

    High: 9 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 20.

    High: 20 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow. Mostly cloudy, with a high near 28.

    High: 28 °F

    Slight Chance
    Snow

Detailed Forecast

Christmas Day
Snow, mainly after 1pm. High near 27. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow before 1am, then a chance of snow after 4am. Low around 21. Southwest wind 14 to 16 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow, mainly after 7am. Temperature rising to near 23 by 11am, then falling to around 16 during the remainder of the day. Southwest wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 1. Wind chill values as low as -14. West wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Mostly sunny and cold, with a high near 9. Northeast wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Mostly cloudy, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 31.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
29 Miles NNW Mazama WA
 48.95°N 120.77°W (Elev. 6024 ft)
Last Update:
9:21 am PST Dec 25, 2025
Forecast Valid:
9am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation